IGCSE Chemistry Electrolysis

Front

What is the charge of the cathode in electrolysis?

Back

Negatively Charged

Front

What gas is produced at the negative electrode during the electrolysis of dilute sulfuric acid?

Back

Hydrogen

Front

In electrolysis, where does reduction take place?

Back

At the Cathode

Front

What gas is collected at the anode when sodium chloride solution is electrolyzed?

Back

Chlorine gas

Front

What are the ions present in molten Al2O3?

Back

Al3+ and O2-

Front

Define electrolysis.

Back

Electrolysis is a chemical process that uses electricity to break down compounds into their individual elements.

Front

What is the role of the anode in electrolysis?

Back

The anode is the positive electrode where oxidation occurs.

Front

What is produced at the anode during the electrolysis of water?

Back

Oxygen gas.

Front

What is the process of oxidation in electrolysis?

Back

Oxidation is the loss of electrons during a chemical reaction.

Front

What is the significance of the electrolyte in electrolysis?

Back

The electrolyte is a substance that conducts electricity and allows the flow of ions.